Question

A:b=2:3, b:c=5:7, then total amount 7500. What is c-s ratio?

Answer 1

a:b=2:3

b:c=5:7

then,

given c=7

then sx=(2x×3x)+(5x×7x)

=6xsquare+35xsquare

=41xsquare

therefore,

c:s=6:7(ans)